List 3 similarities between the carbohydrates, proteins, and lipids

They all contain the element carbon. They contain simpler units that are linked together making larger molecules.

Explanation:

i could only find two but i hope it helps

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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